net: freescale: Drop use of SPL_BUILD dependency

SPL_BUILD is not a Kconfig symbol. Perhaps the intent here is to use
SPL instead. However, this causes build errors, e.g. with T1024RDB_NAND

So drop the dependency on !SPL_BUILD since it does nothing.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 6ed3255..ce80e43 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -890,7 +890,7 @@
 
 config SYS_DPAA_QBMAN
 	bool "Device tree fixup for QBMan on freescale SOCs"
-	depends on (ARM || PPC) && !SPL_BUILD
+	depends on ARM || PPC
 	default y if ARCH_B4860 || \
 		     ARCH_B4420 || \
 		     ARCH_P1023 || \